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Groundwater levels for Illinois

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USGS 422400088435803 45N 4E-11.4h3

Boone County, Illinois
Hydrologic Unit Code 07090006
Latitude  42°24'00", Longitude  88°43'58" NAD27
Land-surface elevation 920 feet above NGVD29
The depth of the well is 250 feet below land surface.
This well is completed in the Cambrian-Ordovician aquifer system (S300CAMORD) national aquifer.
This well is completed in the Galena-Platteville Groups (365GLPV) local aquifer.
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Graph of groundwater level data at USGS 422400088435803 45N 4E-11.4h3
Breaks in the plot represent a gap of at least one year between field measurements.
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